Intellijel DesignsTetrapad Multi-Dimensional Performance Touch Controller


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Intellijel Tetrapad

The Intelljel Tetrapad imparts versatility and precision to one's Eurorack modular synthesizer system. Its four pads utilize force-sensing resistors that read both the pressure and position of the user's fingers in order to generate a response. Beyond that, there are four push encoders and a shift function for toggling between the module's different modes.

Each of Tetrapad's modes correspond to a specific control task. It can accomplish everything from fader emulation, voltage storage, percussive triggering, chord generation, and keyboard emulation. It can also be configured to function as four separate LFOs or an 8-switch panel. A handy LED indicator gives users immediate vizulaization of which mode each channel is in.

Tetrapad Features

  • Four touch-sensitive pads
  • Numerous control modes
  • Automatic recall, even when powered off
  • Automatically saves settings every minute or whenever modes are changed
  • Ideal for live performance
  • Width: 20HP 
  • Max Depth: 19mm 
  • Power: 130mA @ +12V 15mA @ -12V
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Product Demo Videos
54HP Episode 7: Touch Synth
After a short break 54HP is back with a touch controlled synth voice on episode 7. The only sound generator is a Mutable Instruments Plaits run through a 2HP Verb. The other three modules in the case focus on touch controls. The Intellijel Tetrapad in fader mode has four faders which each output both fader position and pressure. The Trogotronic M11 is a simple touch button but it has a great tactile feel can can also be used as a VCA or CV processor. The Sound Machines LP1 Lightplane not only has outputs for X & Y positions and pressure, but has a built in recorder feature so you can loop your touch control gestures. This system shows how playable a eurorack system can be without using any sequencers or non human controlled modulation sources.
Intellijel Tetrapad Eurorack Touch Controller
This video shows just 5 of the modes of the Intellijel Tetrapad touch controller that is sensitive to touch position and pressure. It can be used as sliders, drum pads, to trigger chords or for many other uses.
Say Hello to Tetrapad!
Say hello to Tetrapad! This video provides a quick introduction to Tetrapad with an overview of its features and behaviours.

Tetrapad is a versatile, multi-dimensional, touch-sensitive control surface for Eurorack. Each of its four pads use force sensing resistors to respond to both the vertical position of your finger and its pressure. Four push encoders and a shift function give you even more tactile control over your modular system.
Tetrapad operates in numerous modes — each of which configures the module to perform a specific control task. Through these modes, Tetrapad can emulate a bank of faders; a voltage storage device; a finger drumming surface; a chord generator; an 8-key keyboard; four independent LFOs; or an 8-switch panel. The chosen mode determines what type of signal (CV, note, trigger, gate, etc.) is sent from each of Tetrapad’s eight independent outputs, while its multitude of multi-colored LEDs keep you informed of exactly what’s happening within each mode.
Tetrapad automatically remembers how you’ve configured each of its modes, and retains these settings when powered off. By default, Tetrapad automatically saves these settings every minute, or whenever you change modes. This makes Tetrapad ideal for live performance, since you know it will always power up with your configurations intact.
Intellijel Designs Tetrapad Multi-Dimensional Performance Touch Controller Reviews